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New in Symfony 4.2: Profiler log filter
In Symfony 4.2 the log panel in the Profiler allows to filter messages by priority and channel.
New in Symfony 4.2: Cache stampede protection
Symfony 4.2 adds cache stampede protection applying a probabilistic early expiration mechanism to protect your applications under very high load.
New in Symfony 4.2: Clear form errors
Symfony 4.2 adds a new clearErrors() method to allow you remove errors after the form has been validated.
New in Symfony 4.2: Translation related improvements
Symfony 4.2 includes several improvements related to translations, such as fallback routes, identity translators and support for ICU parent locales.
New in Symfony 4.2: Detailed security voters decisions
In Symfony 4.2, the Symfony Profiler shows all the details about security voter decisions, to make things easier to debug.
New in Symfony 4.2: addLink() shortcut
Symfony 4.2 adds a new AbstractController::addLink() shortcut so you can add Link HTTP headers more easily when using HTTP/2 and the WebLink component.
New in Symfony 4.2: Define env vars per environment
Symfony 4.2 adds support for defining the value of env vars per environment, simplifying the configuration of your applications.
New in Symfony 4.2: Better autowiring debug
In Symfony 4.2, the debug:autowiring command has been improved to make its information easier to understand.
New in Symfony 4.2: Acceptable Request Formats
The new getAcceptableFormats() method added in Symfony 4.2 allows to get a simplified list of request formats accepted by browsers.
New in Symfony 4.2: Simpler custom serialized names
In Symfony 4.2, the custom names of properties when objects are serialized can be configured using metadata, instead of having to create a name converter.